Costa Rica's former president and 1987 Nobel Peace Laureate Oscar Arias, speaks to the media before attending a court hearing after the Public Prosecutor's Office accused him of an illegally authorised concession for the Canada-based Infinito Gold to operate an open-pit gold mine known as Crucitas, in San Jose, Costa Rica September 17, 2019. REUTERS/Juan Carlos Ulate

Costa Rica's former president and 1987 Nobel Peace Laureate Oscar Arias, speaks to the media before attending a court hearing after the Public Prosecutor's Office accused him of an illegally authorised concession for the Canada-based Infinito Gold to operate an open-pit gold mine known as Crucitas, in San Jose, Costa Rica September 17, 2019. REUTERS/Juan Carlos Ulate